With multiple ways to denervate the sensory nerve/nerve branches, pain management coders may argue about which 64xxx code is right. You’ve got to dig into the chart note to identify the method used. See if you’re up to the challenge with this Supercoder Ask-an-Expert Insight.

Question: A provider is doing RFA’s of the left L4, L5, S1, S2, S3 and SA. He is billing 64622 x 1 and 64623 x 4. The other pain provider states this is incorrect and that he should be billing 64640 for S1, S2, S3 and SA. Which coding is correct?

Answer: This is a complex coding issue because there are several different methods to denervate the sensory nerve/nerve branches that provide innervations from the SI joint. Because of this, the coding will depend somewhat on the method used.

However, I can say that reporting 64622 and 64623 x 4 is incorrect. The “paravertebral...